[INFO] cloning repository https://github.com/heyrict/exhaust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyrict/exhaust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa78b5073c65df039075bc8773756a3980fb3ec4 [INFO] testing heyrict/exhaust against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/heyrict/exhaust on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/heyrict/exhaust [INFO] finished tweaking git repo https://github.com/heyrict/exhaust [INFO] tweaked toml for git repo https://github.com/heyrict/exhaust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/heyrict/exhaust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tui v0.9.1 [INFO] [stderr] Downloaded crossterm v0.17.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4649ddb94d5179faf861a051778e19bad8dcb4a584d73d39489cd8eebb93ff63 [INFO] running `Command { std: "docker" "start" "-a" "4649ddb94d5179faf861a051778e19bad8dcb4a584d73d39489cd8eebb93ff63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4649ddb94d5179faf861a051778e19bad8dcb4a584d73d39489cd8eebb93ff63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4649ddb94d5179faf861a051778e19bad8dcb4a584d73d39489cd8eebb93ff63", kill_on_drop: false }` [INFO] [stdout] 4649ddb94d5179faf861a051778e19bad8dcb4a584d73d39489cd8eebb93ff63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3c00fd6881aa0b46d8fe163180bc4abcaed13105ea5b05a943cd51fb25fd9a1f [INFO] running `Command { std: "docker" "start" "-a" "3c00fd6881aa0b46d8fe163180bc4abcaed13105ea5b05a943cd51fb25fd9a1f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling signal-hook v0.1.13 [INFO] [stderr] Compiling crossterm v0.17.3 [INFO] [stderr] Compiling crossterm v0.16.0 [INFO] [stderr] Compiling tui v0.9.1 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling exhaust v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Done` [INFO] [stdout] --> src/app.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/app.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] 206 | | paths.insert(0, parent_dir.into()); [INFO] [stdout] 207 | | }); [INFO] [stdout] | |______________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.38s [INFO] running `Command { std: "docker" "inspect" "3c00fd6881aa0b46d8fe163180bc4abcaed13105ea5b05a943cd51fb25fd9a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c00fd6881aa0b46d8fe163180bc4abcaed13105ea5b05a943cd51fb25fd9a1f", kill_on_drop: false }` [INFO] [stdout] 3c00fd6881aa0b46d8fe163180bc4abcaed13105ea5b05a943cd51fb25fd9a1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abdf8a0959a2cc2c3cf9a08a77970259a7f3df8a39692dbf7ed286b067902699 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "abdf8a0959a2cc2c3cf9a08a77970259a7f3df8a39692dbf7ed286b067902699", kill_on_drop: false }` [INFO] [stderr] Compiling exhaust v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Done` [INFO] [stdout] --> src/app.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/app.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] 206 | | paths.insert(0, parent_dir.into()); [INFO] [stdout] 207 | | }); [INFO] [stdout] | |______________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "abdf8a0959a2cc2c3cf9a08a77970259a7f3df8a39692dbf7ed286b067902699", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abdf8a0959a2cc2c3cf9a08a77970259a7f3df8a39692dbf7ed286b067902699", kill_on_drop: false }` [INFO] [stdout] abdf8a0959a2cc2c3cf9a08a77970259a7f3df8a39692dbf7ed286b067902699 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b35e306a09a7f3f1de82f07788619d634cfd9680917a55d2d8a9155ae935da9e [INFO] running `Command { std: "docker" "start" "-a" "b35e306a09a7f3f1de82f07788619d634cfd9680917a55d2d8a9155ae935da9e", kill_on_drop: false }` [INFO] [stderr] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stderr] --> src/macros.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Done` [INFO] [stderr] --> src/app.rs:117:5 [INFO] [stderr] | [INFO] [stderr] 117 | Done, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/app.rs:205:13 [INFO] [stderr] | [INFO] [stderr] 205 | / &self.current_path.parent().map(|parent_dir| { [INFO] [stderr] 206 | | paths.insert(0, parent_dir.into()); [INFO] [stderr] 207 | | }); [INFO] [stderr] | |______________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 205 | let _ = &self.current_path.parent().map(|parent_dir| { [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `exhaust` (bin "exhaust" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/exhaust-8b68421257abead8) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b35e306a09a7f3f1de82f07788619d634cfd9680917a55d2d8a9155ae935da9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b35e306a09a7f3f1de82f07788619d634cfd9680917a55d2d8a9155ae935da9e", kill_on_drop: false }` [INFO] [stdout] b35e306a09a7f3f1de82f07788619d634cfd9680917a55d2d8a9155ae935da9e